text: from serpapi_async.serp_api_client import *
  from serpapi_async.serp_api_client_exception import SerpApiClientException
  from serpapi_async.constant import *
  
  class DuckDuckGoSearch(SerpApiClient):
      """DuckDuckGoSearch enables to search google scholar and parse the result.
      ```python
      from serpapi import DuckDuckGoSearch
      search = DuckDuckGoSearch({"query": "chair"})
      data = search.get_json()
      ```
  
      doc: https://serpapi.com/duckduckgo-search-api
      """
  
      def __init__(self, params_dict):
          super(DuckDuckGoSearch, self).__init__(params_dict, DUCKDUCKGO_ENGINE)
  
      def get_location(self, q, limit = 5):
          raise SerpApiClientException("location is not supported by walmart search engine")
  